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ASTM D2570 Simulated Service Corrosion Tester
KN-2570 Simulated Service Corrosion Tester conforms to ASTM D2570 Standard Test Method for Simulated Service Corrosion Testing of Engine Coolants. An engine coolant is circulated for 1064h at 88℃ (190℉) in a flow loop consisting of a metal reservoir, an automotive coolant pump, an automotive radiator, and the connecting rubber hoses. Test specimens representative of engine cooling system metals are mounted inside the reservoir, which simulates an engine cylinder block. At the end of the test period, the corrosion-inhibiting properties of the coolant are determined by measuring the mass losses of the test specimens and by visual examination of the interior surfaces of the components.
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ASTM D6138 Corrosion Preventive Properties Of Lubricating Greases
New, cleaned, and lubricated bearings are tested partially immersed in water (distilled, synthetic sea water, or sodium chloride solution) under no applied load at a speed of 83 6 5 rpm in a predetermined sequence of running and stopping for a period of approximately one week. After cleaning, the bearing rings are examined and rated according to the degree of corrosion
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ASTM D1743 Corrosion Preventive Properties Of Lubricating Greases
New, cleaned, and lubricated bearings are run under a light thrust load for 60 6 3 s to distribute the lubricant in a pattern that might be found in service. The bearings are exposed to water, then stored for 48 6 0.5 h at 52 6 1°C (125 6 2°F) and 100 % relative humidity. After cleaning, the bearing cups are examined for evidence of corrosion
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